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SiEN18-622
Indoor Unit (SkyAir Models)
Function
137
2. Heatin
g
2-1 Ba
s
ic operation
2-1-1 When compre
ss
or
s
top
s
durin
g
drain pump ON after compre
ss
or operation
s
tarted
3
min
2-1-2 When compre
ss
or
s
top
s
durin
g
drain pump OFF after compre
ss
or operation
s
tarted
3
min
2-2
Operation
s
when an occurrence of drain water level abnormality
2-2-a) Behavior between occurrence and recovery of drain water level abnormality
Dr
a
in p
u
mp
ON
OFF
ON
OFF
Compre
ss
or
ON
OFF
5min
20 min
5min
Compre
ss
or
ON
OFF
20 min
20 min
Dr
a
in p
u
mp
In he
a
ting oper
a
tion of the
u
nit e
qu
ipped with
a
h
u
midifier, when "Interlocking of dr
a
in p
u
mp /
h
u
midifier" (15(25)-
3
) i
s s
et to "ye
s
" (02), the dr
a
in p
u
mp oper
a
te
s
20-min OFF
a
nd
3
-min ON
repe
a
tedly d
u
ring compre
ss
or i
s
in oper
a
tion.
After compre
ss
or
s
top
s
, re
s
id
ua
l oper
a
tion will
b
e cond
u
cted for 5 min
u
te
s
.
2-2-a)-1 When a water level abnormality occur
s
durin
g
drain pump ON
Occurrence of drain water level abnormality
5
s
ec
A
10
s
ec
s
ec
Compre
ss
or
ON
OFF
Error proce
ss
ing
5min
A
b
norm
a
l
Norm
a
l
Dr
a
in p
a
n
W
a
ter level
ab
norm
a
lity
Norm
a
l
Dr
a
in p
u
mp
ON
OFF
5min
Intermittent oper
a
tion (
*
1)
*
2
*3
Note : ((2-2-
a
)-1 When
a
w
a
ter level
ab
norm
a
lity occ
u
r
s
d
u
ring dr
a
in p
u
mp ON)
After compre
ss
or
s
top
s
d
u
e to w
a
ter level
ab
norm
a
lity, dr
a
in p
u
mp i
s
oper
a
ted intermittenly, i.e. 5 min
ON, 5
s
ec OFF
a
nd 5 min ON. (
*
1) The intermittent oper
a
tion i
s
exec
u
ted reg
a
rdle
ss
of recovery of
ab
n.
W
a
ter level d
u
ring the intermittent oper
a
tion. (
*
2) When the
ab
n. w
a
ter level c
a
n not
b
e recovered, the
l
a
tter 5 min ON oper
a
tion i
s
contin
u
ed
u
ntil recovery of the
ab
norm
a
lity. (
*3
) On
ab
ove di
a
gr
a
m, the
s
y
s
tem oper
a
tion in the event of
a
w
a
ter level
ab
norm
a
lity occ
u
rrence differ
s b
etween the dr
a
in p
u
mp ON
a
nd OFF. The det
a
il
s a
re
as
follow
s
.
1 The
sa
me oper
a
tion
as
1-2-
a
) "Beh
a
vior
b
etween occ
u
rrence
a
nd recovery of dr
a
in w
a
ter level
ab
norm
a
lity" in the mode of cooling or dry.
Even tho
u
gh the w
a
ter level
ab
norm
a
lity co
u
ld
b
e recovered
d
u
ring intermittent oper
a
tion, the
oper
a
tion
s
h
a
ll
b
e c
a
rried o
u
t
witho
u
t exception.
If the
ab
norm
a
lity co
u
ld not
b
e recovered
d
u
ring intermittent oper
a
tion, the l
a
tter 5
min ON oper
a
tion i
s
contin
u
ed
u
ntil
recovery of the
ab
norm
a
lity.
Recovery oper
a
tion for dr
a
in w
a
ter level
ab
norm
a
lity doe
s
not
a
ctiv
a
te when the w
a
ter level c
a
n
b
e ret
u
rned norm
a
l within A + 10
s
econd
s
.
Summary of Contents for FTKS50BVMB
Page 1: ...SiEN18 622 E Series Service Manual Applied Models zSuper Multi Plus Cooling Only Heat Pump ...
Page 105: ...Refrigerant Flow for Each Operation Mode SiEN18 622 92 Refrigerant Circuit ...
Page 157: ...Indoor Unit SkyAir Models SiEN18 622 144 Function ...
Page 312: ...SiEN18 622 Ceiling Mounted Cassette Type System Configuration 300 ...
Page 424: ...Method of Replacing The Inverter s Power Transistors Modules SiEN18 622 412 Troubleshooting ...
Page 446: ...Wiring Diagrams SiEN18 622 434 Appendix ...
Page 452: ...SiEN18 622 vi Index ...